[ by Charles Cameron — two instances in which land is returned to tribal peoples who previously tended it ]
Bold Nebraska, In Historic First, Nebraska Farmer Returns Land to Ponca Tribe Forest News, Indonesian president hands over management of forests to indigenous people
Wallace Black Elk told me the Americas were his altar, and that on this altar guns are not permitted. He also offered to get me a Lakota passport, which would allow me to fly into US airports without having to pass through customs.
but these ideas are a bit farther along the timeline, I think, from the two land exchanges detailed above.